Tension exerciser with elastic limit function

ABSTRACT

A tension exerciser with elastic limit function includes a weaving tape without stretching elasticity which is made of weaving materials and defined into a flexible elongated band pattern. The weaving tape includes a tape body, a fixed part and an operating end. The fixed part is provided with a positioning member. A handle is connected with the operating end, allowing the users to hold it for pulling. An elastic part is connected between the tape body and the operating end, so that elastic resistance occurs when holding the handle for pulling. An elastic limiter is connected between the tape body and the operating end. The elastic limiter enables the extension of the elastic part to be limited within the maximum load range, so as to prevent elasticity fatigue or even rupture of the elastic part of the tension exerciser, extend the service life and improve the operating safety.

CROSS-REFERENCE TO RELATED U.S. APPLICATIONS

Not applicable.

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT

Not applicable.

NAMES OF PARTIES TO A JOINT RESEARCH AGREEMENT

Not applicable.

REFERENCE TO AN APPENDIX SUBMITTED ON COMPACT DISC

Not applicable.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates generally to a tension exerciser, and more particularly to an innovative one which is designed with an elastic limit function.

2. Description of Related Art Including Information Disclosed Under 37 CFR 1.97 and 37 CFR 1.98

The tension exerciser referred hereto is a fitness device that is specifically designed with a fixed end, elastic section and handle, etc. When said tension exerciser is used, it is mounted onto a fixed object (e.g.: door plank, partition wall and rack body) by its fixed end, and the user could hold the handle for pulling and stretching so as to make physical exercises and realize fitness effect via the elastic resistance generated by the elastic section. Due to its comparative advantages, such as simple construction, small volume, portability and retractility over other treadmills and exercise bikes, such tension exerciser with excellent fitness effect is now widely used by many customers in a broad market.

Some shortcomings and problems of existing tension exerciser are still observed during actual applications. For example, the elastic section of conventional tension exerciser is designed with a maximum elastic stretching tolerance, or the pulling force of many users could reach said maximum elastic stretching tolerance. However, in the event of excessive force applied by the user, this will cause rapidly the elasticity fatigue or even rupture of the tension exerciser. In particular, upon rupture, the rebounding of the elastic material will possibly endanger the users. If the elastic section is under high tension state for a long period of time, elastic fatigue will be caused rapidly by excessive use, shortening the service life of the tension exerciser.

If the user intends to control the pulling force to extend the service life of the tension exerciser, it is very difficult for the user to find out the elastic setting limit of the tension exerciser and control accurately the force.

Thus, to overcome the aforementioned problems of the prior art, it would be an advancement if the art to provide an improved structure that can significantly improve the efficacy.

Therefore, the inventor has provided the present invention of practicability after deliberate design and evaluation based on years of experience in the production, development and design of related products.

BRIEF SUMMARY OF THE INVENTION

Based on the innovative structural design of the present invention wherein the tension exerciser with elastic limit function comprises: a weaving tape, handle, elastic part and an elastic limiter, the extension of the elastic part of the present invention could be limited within the maximum load range via the elastic limiter, so as to prevent elasticity fatigue or even rupture of the elastic part, extend the tension exerciser's service life and promoting the operating security.

The improvements brought about by this invention are as follow:

Based on the structural design wherein an adjustable member is located on the elastic limiter formed by the bending section, the stretched length and stroke of the elastic limiter could be adjusted to meet diversified user requirements.

Based on the structural design wherein a secondary handle is set onto the tape body of the weaving tape, but not connected with the elastic part and the elastic limiter for another operating mode for users, when the user holds the secondary handle for pulling, the tape body of the weaving tape is directly pulled without elastic stretching effect, to as to meet diversified user requirements.

Based on the structural design of said hook-shaped body and the second hook-shaped body, two different installation modes (with or without elasticity) could be provided to the users and adapted to the elastic part for flexible operation.

Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

FIG. 1 is a perspective view of the preferred embodiments of the present invention.

FIG. 2 is an actuating view of local components shown in the preferred embodiments of the present invention.

FIG. 3 is a schematic view of the operating state of the present invention.

FIG. 4 is a perspective view of the single handle's preferred embodiment of the present invention.

FIG. 5 is a perspective view of another preferred embodiment of the present invention.

FIG. 6 is a service status view 1 of another preferred embodiment of the present invention.

FIG. 7 is a service status view 2 of another preferred embodiment of the present invention.

FIG. 8 is a sectional view of another preferred embodiment of the elastic part of the present invention in a non-stretching state.

FIG. 9 is a sectional view of another preferred embodiment of the elastic part of the present invention in a stretching state.

DETAILED DESCRIPTION OF THE INVENTION

FIGS. 1-3 depict preferred embodiments of the improved tension exerciser of the present invention with elastic limit function, which, however, are provided for only explanatory objective for patent claims.

Said tension exerciser comprises a weaving tape 10 without stretching elasticity, which is made of weaving materials and defined into a flexible elongated band pattern. The weaving tape 10 comprises a tape body 11, a fixed part 12 and at least an operating end 13. Of which, the fixed part 12 is provided with a positioning member 14 for positioning onto an object (e.g.: door plank, partition wall and rack body).

At least a handle 20 is connected with the operating end 13 of the weaving tape 10, allowing the users to hold it for pulling.

At least an elastic part 30 is connected elastically between the tape body 11 of the weaving tape 10 and the operating end 13, so that elastic resistance occurs via the elastic part 30 when the users hold the handle 20 for pulling.

At least an elastic limiter 40 is connected between the tape body 11 of the weaving tape 10 and the operating end 13. The elastic limiter 40 enables the extension of the elastic part 30 to be limited within the maximum load range, so as to prevent elasticity fatigue or even rupture of the elastic part 30.

Referring to FIG. 1, said elastic limiter 40 is made of a bending section 41 directly formed by the tape body 11 of the weaving tape 10, and the elastic part 30 is designed into a rope or board pattern, so that both ends of the elastic part 30 are separately connected with the head end and tail end of the bending section 41. Referring to FIG. 2, when the user holds the handle 20 for pulling, the elastic part 30 is extended, and the elastic limiter 40 formed by the bending section 41 is driven to be straightened. When the elastic limiter 40 is already straightened, the elastic part 30 cannot be continuously stretched, thus, the extension of elastic part 30 will be limited. In the present embodiment, an adjustable member 42 could be set between the head end and tail end of the elastic limiter 40 formed by the bending section 41, so as to adjust the stretched length and stroke of the elastic limiter 40.

Referring to FIG. 1, the operating end 13 is separately set onto two ends of the weaving tape 10 to form double handles 20, so that the fixed part 12 with the positioning member 14 is set on the middle section of the weaving tape 10.

Based on the above-specified structural design, the tension exerciser of the present invention is operated as shown in FIG. 3, wherein as for said structure with double handles 20, the middle of the tape body 11 of the weaving tape 10 is located onto an object B (top edge of a door plank in the figure) via the positioning member 14 on the fixed part 12, so that an anchor point can be acquired. Then, the user could separately hold two handles 20 for pulling by two hands (marked by arrow L1). In this process, the elastic part 30 is stretched elastically, generating appropriate resistance to achieve the fitness efficacy in exercising the user's muscle strength. More importantly, as an amazing innovative feature of the present invention, the elastic limiter 40 enables the extension of elastic part 30 to be limited within the maximum load range, so as to prevent elasticity fatigue or even rupture of the elastic part 30.

Referring to FIG. 4, the operating end 13 can also be set onto one end of the weaving tape 10 to form a single handle 20, so that the fixed part 12 with the positioning member 14 is set onto the other end of the weaving tape.

FIG. 5 depicts another preferred embodiment of the elastic limiter, wherein the elastic part 30 is also designed into a rope or board pattern. The elastic limiter 40 is made of a corrugated pipe sleeve 43 arranged between the tape body 11 of the weaving tape 10 and the operating end 13. The corrugated pipe sleeve 43 is sleeved on the periphery of the elastic part 30. Thus, when the user holds the handle 20 for pulling, referring to FIGS. 8 and 9, the elastic part 30 is extended and the surface of corrugated pipe sleeve 43 is converted from corrugated to stretched state (marked by arrow L2). When the surface of corrugated pipe sleeve 43 is stretched, the elastic part 30 cannot be continuously straightened, thus, the extension of the elastic part 30 is limited. In the preferred embodiment, a secondary handle 50 is also set onto the tape body 11 of the weaving tape 10, but not connected with the elastic part 30 and the elastic limiter 40, thus providing another operating mode for the users. When a user holds the secondary handle 50 for pulling, the tape body 11 of the weaving tape 10 is directly pulled without elastic stretching effect.

Moreover, in said preferred embodiment, a length adjusting part 15 (as shown in FIG. 5) could be set on the tape body 11 of the weaving tape 10, so as to adjust the length of the weaving tape 10 to achieve different effects.

Of which, the positioning member 14 located on the fixed part 12 (disclosed in FIG. 4) is only designed into a hook-shaped body 141. Or, referring to FIGS. 1 and 5, the positioning member 14 also consists of a hook-shaped body 141 and a second hook-shaped body 142 with an elastic stretching member 143. Of which, a corrugated sleeving kit 144 is set on the periphery of the elastic stretching member 143. When the surface of the corrugated sleeving kit 144 is converted from corrugated to stretched state, the extension of the elastic stretching member 143 is limited securely. Based on the design of preferred embodiment, two different installation modes (with or without elasticity) could be provided for the users for flexible operation via the design of two types of hooking patterns (the hook-shaped body 141 and the second hook-shaped body 142). Referring to FIG. 6, when the tension exerciser is used in a manner that the hook-shaped body 141 without elasticity is taken as the positioning mode, only the elastic force generated by the elastic part 30 (marked in FIG. 5) is available. Referring also to FIG. 7, when the elastic hook-shaped body 142 is taken as the positioning mode, the elastic force generated by the elastic part 30 and the elastic stretching member 143 (as shown in FIG. 5) is available, so different elastic effects could be achieved. 

1. A tension exerciser with elastic limit function comprising: a weaving tape without stretching elasticity, which is made of weaving materials and defined into a flexible elongated band pattern; the weaving tape comprises a tape body, a fixed part and at least an operating end; of which the fixed part is provided with a positioning member for positioning onto an object; at least a handle, which is connected with the operating end of the weaving tape, allowing the users to hold it for pulling; at least an elastic part, which is connected elastically between the tape body of the weaving tape and the operating end, so that elastic resistance occurs via the elastic part when the users hold the handle for pulling; at least an elastic limiter, which is connected between the tape body of the weaving tape and the operating end; the elastic limiter enables the extension of the elastic part to be limited within the maximum load range, so as to prevent elasticity fatigue or even rupture of the elastic part.
 2. The device defined in claim 1, wherein said elastic limiter is made of a bending section directly formed by the tape body of the weaving tape, and the elastic part is formed into a rope or board pattern, so that both ends of the elastic part are separately connected with the head end and tail end of the bending section; when the user holds the handle for pulling, the elastic part is extended, and the elastic limiter formed by the bending section is driven to be straightened; when the elastic limiter is straightened, the elastic part cannot be continuously stretched, thus, the extension of elastic part will be limited.
 3. The device defined in claim 2, wherein an adjustable member could be set between the head end and tail end of the elastic limiter formed by the bending section, so as to adjust the stretched length and stroke of the elastic limiter.
 4. The device defined in claim 1, wherein the elastic part is formed into a rope or board pattern; the elastic limiter is made of a corrugated pipe sleeve arranged between the tape body of the weaving tape and the operating end; and the corrugated pipe sleeve is sleeved on the periphery of the elastic part; thus, when the user holds the handle for puling, the elastic part is extended and the surface of corrugated pipe sleeve is converted from corrugated to stretched state; when the surface of corrugated pipe sleeve is stretched, the elastic part cannot be continuously straightened, thus, the extension of the elastic part is limited.
 5. The device defined in claim 4, wherein a secondary handle is set onto the tape body of the weaving tape, but not connected with the elastic part and the elastic limiter for another operating mode for users; when the user holds the secondary handle for pulling, the tape body of the weaving tape is directly pulled without elastic stretching effect.
 6. The device defined in claim 4, wherein a length adjusting part could be set on the tape body of the weaving tape, so as to adjust the length of the weaving tape.
 7. The device defined in claim 1, wherein the operating end is separately set onto two ends of the weaving tape to form double handles, so that the fixed part with the positioning member is set on the middle section of the weaving tape.
 8. The device defined in claim 1, wherein the operating end can also be set onto one end of the weaving tape to form a single handle, so that the fixed part with the positioning member is set onto the other end of the weaving tape.
 9. The device defined in claim 1, wherein the positioning member located on the fixed part is designed into a hook-shaped body.
 10. The device defined in claim 1, wherein the positioning member located on the fixed part consists of a hook-shaped body and a second hook-shaped body with an elastic stretching member; of which a corrugated sleeving kit is set on the periphery of the elastic stretching member of the second hook-shaped body; based on the characteristics that the surface of the corrugated sleeving kit is converted from corrugated to stretched state, the extension of the elastic stretching member could be limited securely; two different installation modes with or without elasticity could be provided for the users via two types of hooking patterns. 